National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Trenton-Mercer Airport (KTTN)

Lat: 40.28°NLon: 74.82°WElev: 210ft.

Fog/Mist

38°F

3°C

Humidity 97%
Wind Speed Vrbl 5 mph
Barometer 30.25 in (1024.0 mb)
Dewpoint 37°F (3°C)
Visibility 3.00 mi
Wind Chill34°F (1°C)
Last update 4 Mar 7:53 am EST
Extended Forecast for

Ewing NJ

  • Today

    Today: A slight chance of rain before noon, then a slight chance of rain after 3pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 50. Calm wind. Chance of precipitation is 20%.

    High: 50 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Tonight

    Tonight: A slight chance of rain before 1am, then rain likely after 2am. Patchy fog after 11pm. Otherwise, cloudy, with a low around 38. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Rain Likely
    and Patchy
    Fog

  • Thursday

    Thursday: Showers. Patchy fog before noon. High near 48. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F

    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: Showers. Patchy fog after 1am. Low around 39. East wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Showers and
    Patchy Fog

  • Friday

    Friday: A slight chance of showers before 1pm. Patchy fog before 10am. Otherwise, cloudy, with a high near 48. Northeast wind around 5 mph. Chance of precipitation is 20%.

    High: 48 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: A slight chance of showers after 1am. Cloudy, with a low around 42. Chance of precipitation is 20%.

    Low: 42 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 67.

    High: 67 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.

    Low: 50 °F

    Showers
    Likely

  • Sunday

    Sunday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of rain before noon, then a slight chance of rain after 3pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 50. Calm wind. Chance of precipitation is 20%.
Tonight
A slight chance of rain before 1am, then rain likely after 2am. Patchy fog after 11pm. Otherwise, cloudy, with a low around 38. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers. Patchy fog before noon. High near 48. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Showers. Patchy fog after 1am. Low around 39. East wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A slight chance of showers before 1pm. Patchy fog before 10am. Otherwise, cloudy, with a high near 48. Northeast wind around 5 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of showers after 1am. Cloudy, with a low around 42. Chance of precipitation is 20%.
Saturday
Mostly cloudy, with a high near 67.
Saturday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.
Sunday
Mostly sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Mostly sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ewing NJ
 40.25°N 74.78°W (Elev. 105 ft)
Last Update:
4:10 am EST Mar 4, 2026
Forecast Valid:
8am EST Mar 4, 2026-6pm EDT Mar 10, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation